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https://www.readbyqxmd.com/read/28437781/the-reliability-and-criterion-validity-of-2d-video-assessment-of-single-leg-squat-and-hop-landing
#1
Lee Herrington, Faisal Alenezi, Msaad Alzhrani, Hasan Alrayani, Richard Jones
The objective was to assess the intra-tester, within and between day reliability of measurement of hip adduction (HADD) and frontal plane projection angles (FPPA) during single leg squat (SLS) and single leg landing (SLL) using 2D video and the validity of these measurements against those found during 3D motion capture. 15 healthy subjects had their SLS and SLL assessed using 3D motion capture and video analysis. Inter-tester reliability for both SLS and SLL when measuring FPPA and HADD show excellent correlations (ICC2,1 0...
April 17, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28437637/analysis-of-free-moment-and-center-of-pressure-frequency-components-during-quiet-standing-using-magnitude-squared-coherence
#2
Dean C Hay, Mark P Wachowiak
To date, no postural studies have investigated the specific relationship between linear (anteroposterior (AP) and mediolateral (ML)) postural sway and the free moment (FM) over the range of biomechanically important frequencies. The goal of the current paper is to study the relationship between FM and the AP/ML movements during quiet standing with respect to individual frequencies. Mean squared coherence, which measures the degree of the relationship between two signals as a function of frequency, is employed to address this question...
April 21, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28437567/people-with-patellofemoral-oa-walk-with-different-pelvic-and-hip-kinematics-compared-to-healthy-aged-matched-controls
#3
Kay M Crossley, Anthony G Schache, Hannah Ozturk, Jonathan Lentzos, Melissa Munanto, Marcus G Pandy
Objective, Patellofemoral joint (PFJ) osteoarthritis (OA) is common, yet little is known about how this condition influences lower-limb biomechanical function. This study compared pelvis and lower-limb kinematics in people with and without PFJOA., Methods, Sixty-nine participants (64% women, mean age 56±10 years) with anterior knee pain aggravated by PFJ loaded activities (stair ambulation, rising from sitting, squatting) and radiographic lateral PFJOA on skyline radiographs were compared with 18 controls (78% women, mean age 53±7 years) with no lower-limb pain or radiographic OA...
April 24, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28437566/physical-therapists-perceptions-of-telephone-and-internet-video-mediated-service-models-for-exercise-management-of-people-with-osteoarthritis
#4
Belinda J Lawford, Kim L Bennell, Jessica Kasza, Rana S Hinman
OBJECTIVE: Investigate physical therapists' perceptions of, and willingness to use, telephone- and internet-mediated service models for exercise therapy for people with knee and/or hip osteoarthritis. METHODS: An internet-based survey of Australian physical therapists comprising three sections: i) demographic information; and 16 positively-framed perception statements about delivering exercise via ii) telephone and; iii) video over the internet, for people with hip and/or knee osteoarthritis...
April 24, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28437548/arthroscopic-treatment-of-a-displaced-nonunion-of-the-anterior-inferior-iliac-spine-causing-extra-articular-impingement
#5
Motoi Shibahara, Yasuo Ohnishi, Eisaburo Honda, Dean K Matsuda, Soshi Uchida
This report describes a case of nonunion of an anterior inferior iliac spine (AIIS) apophyseal avulsion fracture with resultant subspine impingement combined with symptomatic femoroacetabular impingement (FAI). A 16-year-old male soccer player presented with a 6-month history of right groin pain exacerbated by kicking and running. The patient was diagnosed with a displaced nonunion of the AIIS apophysis avulsion fracture causing secondary extra-articular impingement beyond cam-type FAI by physical examination and radiological findings...
April 24, 2017: Orthopedics
https://www.readbyqxmd.com/read/28437506/treatment-of-unstable-trochanteric-femur-fractures-proximal-femur-nail-versus-proximal-femur-locking-compression-plate
#6
Ashutosh Kumar Singh, Nidi Narsaria, Arun G R, Vivek Srivastava
Unstable trochanteric femur fractures are common fractures that are difficult to manage. We conducted a prospective study to compare functional outcomes and complications of 2 different implant designs, proximal femur nail (PFN) and proximal femur locking compression plate (PFLCP), used in internal fixation of unstable trochanteric femur fractures. On hospital admission, 48 patients with unstable trochanteric fractures were randomly assigned (using a sealed envelope method) to treatment with either PFN (24 patients) or PFLCP (24 patients)...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437496/novel-solution-for-massive-glenoid-defects-in-shoulder-arthroplasty-a-patient-specific-glenoid-vault-reconstruction-system
#7
David M Dines, Lawrence Gulotta, Edward V Craig, Joshua S Dines
Complex glenoid deformities present the most difficult challenges in shoulder arthroplasty. These deformities may be caused by severe degenerative or congenital deformity, posttraumatic anatomy, tumor, or, in most cases, bone loss after glenoid failure in anatomical total shoulder arthroplasty. Methods of treating severe bone loss have included inlay and onlay bone-graft options with augmented fixation and, in severe cases, salvage hemiarthroplasty with limited goal expectations. Unfortunately, none of these methods has provided consistently satisfactory reproducible results...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437490/the-diagnosis-and-initial-treatment-of-patellofemoral-disorders
#8
Alan C Merchant, John P Fulkerson, Wayne Leadbetter
Our purpose is to provide simple guidelines for the diagnosis and early care of patellofemoral disorders. Any clinician who treats knee problems, including family practitioners, rheumatologists, orthopedic surgeons, or physical therapists, must know how to make the correct diagnosis, or at least a presumptive diagnosis, at the initial visit. This can avoid unneeded and costly tests, ineffective treatment, and even damaging exercises and unnecessary surgery. The diagnosis of patellofemoral disorders is confusing because they can have many causes...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437347/effect-of-coronal-scoliotic-curvature-on-sagittal-spinal-shape-analysis-of-parameters-in-mature-adolescent-scoliosis-patients
#9
Jae-Young Hong, Keon-Woo Kim, Seung-Woo Suh, Si-Young Park, Jae-Hyuk Yang
STUDY DESIGN: A radiographic analysis with scoliosis patients. OBJECTIVES: To analyze correlations between sagittal spinal alignment and coronal scoliotic curvature. SUMMARY OF BACKGROUND DATA: Sagittal spinal alignment and scoliosis may have a significant relationship, and schematic analysis is needed. METHODS: The study group was comprised of 163 patients with adolescent idiopathic scoliosis. Subjects underwent anteroposterior and lateral radiographs of the whole spine including hip joints...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437346/correlations-between-sagittal-spinal-balance-and-quality-of-life-in-rheumatoid-arthritis
#10
Hong Seok Lee, Jung Sub Lee, Jong Ki Shin, Tae Sik Goh
STUDY DESIGN: Prospective study. OBJECTIVE: To identify relationships between spinopelvic parameters and health-related quality of life in rheumatoid arthritis (RA). SUMMARY OF BACKGROUND DATA: Little data are available on relationships between sagittal spinopelvic parameters and health-related quality of life in RA. MATERIALS AND METHODS: The study and control groups comprised 120 RA patients and 60 controls. All subjects underwent anteroposterior and lateral radiography of the whole spine, including hip joints, and all completed clinical questionnaires...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437220/lean-mass-and-fat-mass-as-mediators-of-the-relationship-between-physical-activity-and-bone-mineral-density-in-postmenopausal-women
#11
Jing Xiang, Yongjie Chen, Yupeng Wang, Shaofei Su, Xinyu Wang, Biao Xie, Qiuju Zhang, Meina Liu
BACKGROUND: The relationship between physical activity (PA) and bone health is well known, but the role of lean mass (LM) and fat mass (FM) in this relationship remains uncertain. Therefore, the aim of this study was to examine the mediating effect of LM and FM on the relationship between PA and bone mineral density (BMD) in postmenopausal women. MATERIALS AND METHODS: This cross-sectional study involved 282 postmenopausal women aged between 50 and 65 year, who were randomly selected from Hongqi community of Harbin City in China...
February 28, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28437130/lower-limb-and-trunk-biomechanics-after-fatigue-in-competitive-female-irish-dancers
#12
Catherine Y Wild, Avril Grealish, Diana Hopper
CONTEXT:   Because of the increasing popularity of participation in Irish dance, the incidence of lower limb injuries is high among this competitive population. OBJECTIVE:   To investigate the effects of fatigue on the peak lower limb and trunk angles as well as the peak lower limb joint forces and moments of competitive female Irish dancers during the performance of a dance-specific single-limb landing. DESIGN:   Cross-sectional study...
April 24, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28436878/biofeedback-for-gait-retraining-based-on-real-time-estimation-of-tibiofemoral-joint-contact-forces
#13
Claudio Pizzolato, Monica Reggiani, David J Saxby, Elena Ceseracciu, Luca Modenese, David G Lloyd
Biofeedback assisted rehabilitation and intervention technologies have the potential to modify clinically relevant biomechanics. Gait retraining has been used to reduce the knee adduction moment, a surrogate of medial tibiofemoral joint loading often used in knee osteoarthritis research. In this study we present an electromyogram-driven neuromusculoskeletal model of the lower-limb to estimate, in real-time, the tibiofemoral joint loads. The model included 34 musculotendon units spanning the hip, knee, and ankle joints...
April 18, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28436397/reduced-culture-time-and-improved-isolation-rate-through-culture-of-sonicate-fluid-in-blood-culture-bottles
#14
Viktor Janz, Andrej Trampuz, Carsten F Perka, Georgi I Wassilew
BACKGROUND AND OBJECTIVE: The aim of this study was to investigate if the cultivation of sonicate fluid (SFC) in blood culture bottles (BCB) leads to a higher rate of bacterial isolations than agar plate culture (APC) and to investigate whether the utilization of BCB leads to a reduction in culture time. METHODS: We performed a retrospective analysis of 206 revision total knee and total hip arthroplasty patients comparing the results of both synovial fluid culture and SFC in both BCB and conventional APC...
April 7, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436379/economic-analysis-of-4221-revisions-due-to-periprosthetic-joint-infection-in-poland
#15
Ireneusz Babiak, Piotr Pędzisz, Jakub Janowicz, Mateusz Kulig, Paweł Małdyk
BACKGROUND: Periprosthetic joint infection (PJI) is one of the most severe complications of total hip (THA) and total knee (TKA) arthroplasty. The aim of the study is to determine the number and type of hip and knee prosthesis revisions in Poland performed due to infection and reimbursement of the cost of septic revisions and to compare the costs of septic and aseptic revisions in Poland and other countries. MATERIAL AND METHODS: The data published for the period 2009-2013 by the National Health Fund (NHF) were analysed and the average cost of septic and aseptic revisions was calculated...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28436374/factors-influencing-treatment-of-proximal-femoral-fractures
#16
Sławomir Dudko, Paweł Kosior, Damian Kusz, Anna Wagner, Marcin Kusz, Karolina Godyń
BACKGROUND: Orthopaedics and traumatology departments are dominated by patients with proximal femoral fractures, who represent 20-30% of all patients treated there. The aim of this study was identification and evaluation of factors influencing treatment of proximal femoral fractures. MATERIAL AND METHODS: Between 2008 and 2015, we treated 424 femoral neck fractures and 442 trochanteric fractures in patients over 40 y/o. The impact of fracture location (femoral neck/trochanteric), character (non-displaced/displaced) and the patient's general condition (metrical/biological age, health condition) on qualification and treatment used (fixations/hip pro-sthesis/non-operative) was analyzed...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28436371/pigmented-villonodular-synovitis-various-manifestations-inconsistent-terminology-and-treatment-cases-study
#17
Paweł Kokoszka, Waldemar Woźniak, Łukasz Łapaj, Jacek Kruczyński
Pigmented villonodular synovitis (PVNS) as well as tenosynovial giant cell tumor (TGCT) are both diagnosed and described in two forms, namely a localized and diffuse type. They form a diverse group of proliferative lesions in articular synovium and tendon sheaths. The inconsistent terminology impedes communication between patients, orthopedic surgeons, radiologists and pathologists, leading to misunderstandings and delaying treatment. In this paper, we present three cases of PVNS/TGCT (involving the fourth toe extensor tendon sheath, hip joint after resurfacing and flexor hallucis longus tendon sheath) together with suggestions regarding the unification of the terminology as well as diagnosis and treatment...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28436196/bone-mineral-density-and-fractures-after-surgical-menopause-a-systematic-review-and-meta-analysis
#18
Ingrid E Fakkert, Natalia Teixeira, Elske Marije Abma, Riemer H J A Slart, Marian J E Mourits, Geertruida H de Bock
BACKGROUND: Oophorectomy is recommended to women at increased ovarian cancer risk. When performed at premenopausal age oophorectomy induces acute surgical menopause, with unwanted consequences. OBJECTIVE: To investigate bone mineral density (BMD) and fracture prevalence after surgical menopause. SEARCH STRATEGY: A literature search on PubMed, Embase and Cochrane library through March 2016. SELECTION CRITERIA: Primary studies reporting on BMD, T-scores or fracture prevalence in women with surgical menopause and age-matched reference groups...
April 24, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28435744/diagnosis-of-spinal-epidural-abscess-a-case-report-and-literature-review
#19
Chidinma Chima-Melton, Michelle Pearl, Marni Scheiner
INTRODUCTION: Spinal epidural abscess (SEA) is a rare but serious cause of back pain in the critical care setting. It occurs most commonly in adults in their fifth and sixth decades of life. Risk factors include diabetes mellitus, alcoholism, AIDS or other immunocompromised states, cancer, intravenous drug use, trauma and spinal surgery. The clinical presentation can be non-specific but the classical triad includes back pain, fever and neurological deficits. Magnetic resonance imaging (MRI) with gadolinium is the diagnostic imaging modality of choice...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28435582/transient-osteoporosis-of-the-hip-a-case-report
#20
K Pande, T T Aung, J F Leong, I Bickle
Transient osteoporosis of the hip (TOH) is a benign, selflimiting condition characterised by acute onset groin pain in adults. Early diagnosis is important to differentiate it from progressive conditions such as osteonecrosis. We report on a middle-aged male who presented with right groin pain without any prior trauma. The diagnosis of transient osteoporosis of hip was confirmed by Magnetic Resonance Imaging (MRI) and he was successfully treated with a course of Alendronate sodium, anti-inflammatory analgesics and a period of non-weight bearing ambulation...
March 2017: Malaysian Orthopaedic Journal
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